where \(\mathbf {\mu }\)  is the user-specified constraint.
Examples are provided in the main text, and we omit them here for brevity.
[1]} showed that Eq. (REF ) can be approximated to an arbitrary precision by
\(p(\mathbf {x}|\mathcal {C}) \propto p_{\mathbf {x}}(\mathbf {x}) \exp \big (\hat{\mathbf {\beta }}^\top \mathbf {\gamma }(\mathbf {x})\big ),\) 
